Folding-machine.



J. G. BINDER. n.a H. K. KING.

FOLDING MACHINE.

APPLICATION PILERMAR. 20, 1911.

lwyf. .Patented 1.0.11. ww..

tlNlTED E A'ENT FFCE.

JOHAN GEORGE BINDER, JBL, AND HOWARD K. KING, 0F PHILADELPHIA, PENNSYL- VANIA, .ASSIGNORS TO CHAMBERS BROTHERS COMPANY, A CORPORATION OF PENNSYLVANIA.

FOLDING-MACHINE i ,esteso To all whom 'it 11mg/ concern.'

le it known that we, Tous Geenen ltxn nn, Jr., and How-inn K. Kino, citizens et' the United States, residents, respeetively, ot Philadelphia, in the eounty ot' lhil.ulelphia, State of Pennsylvanianl have invented a new and useful Folding-Machine, ot which the 'following is a speeilieation.

(.)ur invention relates to improvements in 'folding n'iaehines.

Uur ohjeetis to provide improved means tor preventing the undesiruhle ereasine, wrinltling7 or distortion ot the sheet passingv through a pair ot folding rollers.

'lhe invention is espeeially applieahle to 'folding maehines adapted to operate on 4very thin sheets` ol' paper sueh as india paper.

Referring to the drawings, illustrating as an example nie-ans l'or realizing the in ven tionA vFigure Vl is a plan view ot a portion of a 'folding niaehine to vvhieh our devire is applied. Vig. is a seetional elevztiou on line 2MB ot ltig. 1. Fie'. 3 is a vertical seetion, on an enlarged seale, on line 3MB ot Fig. l. Fig. 4 is a verlieal section on an enlarged scale7 on line nl et liig. Vl Fig. 5 is a fragmentary view of a detail in elevation7 on an enlarged seale, lshowing;- they end oli the connecting rod and actuating arm. Fie: (i is a horizontal seetiom on a reduelul sente, on line {it} et lf'ih 5.

Similar numerals refer to similar parts throughout the several views.

t has been l'ound that when a sheet'. ol very thin paper is struck into the 'folding rollers loy the folding lilade it is desirable in order to getan extremely accurate told, that is a. fold perfectly square and true,7 that' the t'olding'rollers should he very elose together.

This assures the sheet heilig seized squarely and carried squarely through the rollers and also assures, as a consequence, that the perforatinp; ot the. line tor the nexttold shall also be true. llthen, however the sheet is a very thin one. and the rollers are very elose together there is a tendency, it the rollers are maintained elosey together, for the sheet to goti` wrinkled as it passes through the rollers. lt has` therefore heen discovered that. hy striking the sheet into the folding rollers while the same are very elose together a square start ol the sheet. is seem-ed and een- Seqnently aeean'ate perforation along the line of the lnext told. As soon however as the Specification of Letters Patent.

Application filed March 20, 1911.

Patented Jan. 13, i914..

Serial No. 615,710.

sheet has been engaged hy the carrying tapes passing around the folding rollers, the rollers may then he slightly open or separated and the halanee. ot the sheet passes 'through without the slightest distortion er wrinltling. 'lo .seeure this ohjeet we have employed tor example the t'ollowine ineehanism: The Afoldine' rollers are indicated hy 15 and iti and, as is eustomary. one ot the rollers, 'for example lt'if is mounted in hoXes having a sliding' relation with the lstationary framework and controlled hy springsv` one ot whieh is shown in Fig'. 3 aud indieated by the numeral Ztl. 'lhe head ot holt or liar Q1, whieh is adjustalile, limits the spring actuated movement ol" roller lo toward roller 15. 'the roeltingh shaft T upon which is mounted the arm Q2 ot the 'folding lilade LI is aetnated in the usual way li'v the arm lt) provided wilh the anti-trietion wheel 21 operated hlv the eam 1S. Upon the roelting shaft; T is provided one element t) of a sector gear whieh eoiperates willi theother gear element l() mounted on rot-kine shatt S. The rocking shal't S is provided at eaeh end with arms 11 and l2 whieh are provided at their lower or Vt'ree ends uilh the pins` 'lo .vhieh in turn engage in the slot\l ot the eouneeling rodsl 13 and l-t. These. eonneetinn' rods lil and 1t are in turn eonueeted with the slidalily mounted spring' eontrolled journal hoxes 17 ot roller lt). l'he proportion and relation of parts are .sueh that as the folding' blade 23 approaehes the rollers, roller lli is permitted to assume its elosesi position with respect to roller 15, hut h v tht` time the sheet has been engaged lietu'een tapes 2li and roller 15, and the ulade 23 has started to withdraw from the rollers the rollers l5 and V1G are separated sullieiently to permit the balance of the sheet to pass therebetween without distortion.

lt will be noted that the pins Q5 operate in slots Q7 ot eonneeting rods 13 and 14, whieh permits ot a dwell of the roller 16 in the elosed position at the commencement; ot' the folding; operation. ln order to secure this dwell at the desired relative time willi respect to the other operations ot' the machine, means are provided 'for adjusting the positions ot' pins 25. This eonsists in se- (turing` the pins 25 in slots provided in arms ,l1 and 12 by means ot the setV screws 28, that is, hy moving the set' serews in one direction pin is moved slightly to the right, and in e other direction, slightly to the left. The parts are "then held inlocked position by the nut 29.

iiii`esites^the usual perforating roller which coperates with the roove 31 in roller 15,'and' it follows Ithat i the sheet is delivered toand engaged squarely by the folding rollers, the perforating Wheel will produce an accurate line of perforations for the next fold of the sheet.

It will be obvious that other means than those above specifically shown, by Way of example, as suitable for realizing our invention may be provided without departing from the spirit of our invention. That is to say, the main point is that the folding rollers shall be .so controlled by means, operating relatively to the other operating parts -of the machine, that, after being maintained in the close or folding position until the preliminary part of the fold is accomplished, are then caused to separate slightly so that blade.

2. In a folding machine, the combination of folding rollers, carrying tapes and a eooperating folding blade, means for actuating the folding blade, and means for causing a translative movement of one of the rollers, said means, operating relatively to the act-uation of the folding blade, providing a dwell of the rollers in the desired position until the sheet has been secured by the carrying tapes,

and then a separation of the rollers until the sheet has passed between them.

3. In a folding machine, the combination of carrying tapes, folding rollers and a folding blade, a rock-ing shaft and means for actuating the same to aetuate the folding blade, a countershaft having operative relationship with the first rocking shaft, a rock arm and connect-ing rod on saidcountershaft, and movable journal boxes for one of the rollers actuated by said connecting rod.

Il. In a folding machine, the combination of carrying tapes, folding rollers and a fold ing blade, a rocking shaft and means for actuating the same to actuate the folding blade, a countershaft having operative relationship with the first rocking shaft, a rock arm on said eountershafl', movable journal boxes for one of the rollers and means for com? munieating movement from the rock arm to the journal boxes, said means comprising connccting'rods provided with slotsvto permit play between the rock arm and said rod. 5. In a folding machine, the combination of carrying tapes, folding rollers and a folding blade, a rocking shaft and means foractunting the same to actuate the folding blade, a ,eountershafh having operative relationship with the iirst rocking shaft, a rock arm and 'connecting rod on said eountershaft, movable journal boxes for one of the rollers actuated/hy said connecting rod, lthe rock arm provided with a slot and a pin or stud thereon, and means for adjustably securing the pin or stud, the connecting rod provided with a slot for cooperating with said pin or stud, the parts proportioned and positioned to secure the required dwell of the rollers in `the folding position.

' JOHN GEORGE BINDER, Ja.

IIUVVARD K. KING. Witnesses: y

MAE HOFMANN, JNO. P. CnoAsoALn. 

